一个简单的英语单选题I___the headmaster for half an hour,but he hasn't come yet.A have waited B have been waiting正常的思路是选B,为什么呢?
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![一个简单的英语单选题I___the headmaster for half an hour,but he hasn't come yet.A have waited B have been waiting正常的思路是选B,为什么呢?](/uploads/image/z/11944046-38-6.jpg?t=%E4%B8%80%E4%B8%AA%E7%AE%80%E5%8D%95%E7%9A%84%E8%8B%B1%E8%AF%AD%E5%8D%95%E9%80%89%E9%A2%98I___the+headmaster+for+half+an+hour%2Cbut+he+hasn%27t+come+yet.A+have+waited+B+have+been+waiting%E6%AD%A3%E5%B8%B8%E7%9A%84%E6%80%9D%E8%B7%AF%E6%98%AF%E9%80%89B%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E5%91%A2%EF%BC%9F)
一个简单的英语单选题I___the headmaster for half an hour,but he hasn't come yet.A have waited B have been waiting正常的思路是选B,为什么呢?
一个简单的英语单选题
I___the headmaster for half an hour,but he hasn't come yet.
A have waited B have been waiting
正常的思路是选B,为什么呢?
一个简单的英语单选题I___the headmaster for half an hour,but he hasn't come yet.A have waited B have been waiting正常的思路是选B,为什么呢?
B have been waiting
因为句中有时间half an hour,也就是说在这段时间里面他一直到等
过去一直进行的动作 用have been doing sthing
是不是你的答案错了~
b,从过去一直持续到现在,而且将来一直持续---现在完成进行时!
A
B
个人认为选A....
选A 因为wait在这里是作为及物动词使用的 有等待(机会)意思
wait本身是不及物动词 若选B的话应该是have been waiting for
http://www.baidu.com/baidu?ie=gb2312&cl=3&ct=1048576&word=wait
一个简单的英语单选题I___the headmaster for half an hour,but he hasn't come yet.A have waited B have been waiting正常的思路是选B,为什么呢?
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